EN ISO 4037-4:2021

Radiological protection - X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 4: Calibration of area and personal dosemeters in low energy X reference radiation fields (ISO 4037-4:2019)

This document gives guidelines on additional aspects of the characterization of low energy photon radiations and on the procedures for calibration and determination of the response of area and personal dose(rate)meters as a function of photon energy and angle of incidence. This document concentrates on the accurate determination of conversion coefficients from air kerma to Hp(10), H*(10), Hp(3) and H'(3) and for the spectra of low energy photon radiations. As an alternative to the use of conversion coefficients the direct calibration in terms of these quantities by means of appropriate reference instruments is described.

Strahlenschutz - Röntgen- und Gamma-Referenzstrahlungsfelder zur Kalibrierung von Dosimetern und Dosisleistungsmessgeräten und zur Bestimmung ihres Ansprechvermögens als Funktion der Photonenenergie - Teil 4: Kalibrierung von Orts- und Personendosimetern in niedrigenergetischen Röntgen-Referenzstrahlungsfeldern (ISO 4037-4:2019)

Dieses Dokument gibt Leitlinien für zusätzliche Aspekte der Charakterisierung der niederenergetischen Pho-tonenstrahlungsfelder und für die Verfahren für die Kalibrierung und Bestimmung des Ansprechvermögens von Orts- und Personendosimetern und Dosisleistungsmessgeräten als Funktion von Photonenenergie und Strahleneinfallswinkel. Dieses Dokument konzentriert sich auf die genaue Bestimmung der Konversionskoef-fizienten von Luftkerma auf Hp(10), H*(10), Hp(3) und H'(3) und auf die Spektren von niederenergetischen Photonenstrahlungsfeldern. Als Alternative zur Verwendung von Konversionskoeffizienten wird die direkte Kalibrierung in Bezug auf diese Messgrößen mit Hilfe geeigneter Referenzmessgeräte beschrieben.

Radioprotection - Rayonnements X et gamma de référence pour l'étalonnage des dosimètres et des débitmètres et pour la détermination de leur réponse en fonction de l'énergie des photons - Partie 4: Étalonnage des dosimètres de zone et individuels dans des champs de référence X de faible énergie (ISO 4037-4:2019)

Le présent document donne des indications concernant les aspects complémentaires de la caractérisation des rayonnements de photons de faible énergie et les procédures pour l'étalonnage et la détermination de la réponse des dosimètres ou débitmètres de zone et individuels en fonction de l'énergie des photons et de l'angle d'incidence. Le présent document traite de la détermination précise des coefficients de conversion du kerma dans l'air en équivalents de dose Hp(10), H*(10), Hp(3) et H'(3) et pour les spectres de rayonnement de photons de faible énergie. Une méthode d'étalonnage direct de ces grandeurs au moyen d'instruments de référence appropriés est donnée comme alternative à l'utilisation des coefficients de conversion.

Radiološka zaščita - Referenčno sevanje z rentgenskimi in gama žarki za kalibracijo dozimetrov in merilnikov doze sevanja ter za ugotavljanje njihovega odzivanja kot funkcije fotonske energije - 4. del: Kalibriranje zunanjih in osebnih dozimetrov v območjih z nizko energijo rentgenskega referenčnega sevanja (ISO 4037-4:2019)

General Information

• Status: Published
• Publication Date: 09-Feb-2021
• Withdrawal Date: 30-Aug-2021
• ICS: 17.240 - Radiation measurements
• Technical Committee: CEN/TC 430 - Nuclear energy, nuclear technologies, and radiological protection
• Drafting Committee: CEN/TC 430 - Nuclear energy, nuclear technologies, and radiological protection
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 10-Feb-2021
• Due Date: 22-Sep-2022
• Completion Date: 10-Feb-2021
• Ref Project: SIST EN ISO 4037-4:2021 - Radiological protection - X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 4: Calibration of area and personal dosemeters in low energy X reference radiation fields (ISO 4037-4:2019)

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2021
Radiološka zaščita - Referenčno sevanje z rentgenskimi in gama žarki za
kalibracijo dozimetrov in merilnikov doze sevanja ter za ugotavljanje njihovega
odzivanja kot funkcije fotonske energije - 4. del: Kalibriranje zunanjih in osebnih
dozimetrov v območjih z nizko energijo rentgenskega referenčnega sevanja (ISO
4037-4:2019)
Radiological protection - X and gamma reference radiation for calibrating dosemeters
and doserate meters and for determining their response as a function of photon energy -
Part 4: Calibration of area and personal dosemeters in low energy X reference radiation
fields (ISO 4037-4:2019)
Strahlenschutz - Röntgen- und Gamma-Referenzstrahlungsfelder zur Kalibrierung von
Dosimetern und Dosisleistungsmessgeräten und zur Bestimmung ihres
Ansprechvermögens als Funktion der Photonenenergie - Teil 4: Kalibrierung von Orts-
und Personendosimetern in niedrigenergetischen Röntgen-Referenzstrahlungsfeldern
(ISO 4037-4:2019)
Radioprotection - Rayonnements X et gamma de référence pour l'étalonnage des
dosimètres et des débitmètres et pour la détermination de leur réponse en fonction de
l'énergie des photons - Partie 4: Étalonnage des dosimètres de zone et individuels dans
des champs de référence X de faible énergie (ISO 4037-4:2019)
Ta slovenski standard je istoveten z: EN ISO 4037-4:2021
ICS:
13.280 Varstvo pred sevanjem Radiation protection
17.240 Merjenje sevanja Radiation measurements
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 4037-4
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2021
EUROPÄISCHE NORM
ICS 17.240
English Version
Radiological protection - X and gamma reference radiation
for calibrating dosemeters and doserate meters and for
determining their response as a function of photon energy
- Part 4: Calibration of area and personal dosemeters in
low energy X reference radiation fields (ISO 4037-4:2019)
Radioprotection - Rayonnements X et gamma de Strahlenschutz - Röntgen- und Gamma-
référence pour l'étalonnage des dosimètres et des Referenzstrahlungsfelder zur Kalibrierung von
débitmètres et pour la détermination de leur réponse Dosimetern und Dosisleistungsmessgeräten und zur
en fonction de l'énergie des photons - Partie 4: Bestimmung ihres Ansprechvermögens als Funktion
Étalonnage des dosimètres de zone et individuels dans der Photonenenergie - Teil 4: Kalibrierung von Orts-
des champs de référence X de faible énergie (ISO 4037- und Personendosimetern in niedrigenergetischen
4:2019) Röntgen-Referenzstrahlungsfeldern (ISO 4037-4:2019)
This European Standard was approved by CEN on 18 January 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4037-4:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 4037-4:2019 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,
nuclear technologies, and radiological protection” of the International Organization for Standardization
(ISO) and has been taken over as EN ISO 4037-4:2021 by Technical Committee CEN/TC 430 “Nuclear
energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by August 2021, and conflicting national standards shall
be withdrawn at the latest by August 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 4037-4:2019 has been approved by CEN as EN ISO 4037-4:2021 without any
modification.
INTERNATIONAL ISO
STANDARD 4037-4
Second edition
2019-01
Radiological protection — X and
gamma reference radiation for
calibrating dosemeters and doserate
meters and for determining their
response as a function of photon
energy —
Part 4:
Calibration of area and personal
dosemeters in low energy X reference
radiation fields
Radioprotection — Rayonnements X et gamma de référence
pour l'étalonnage des dosimètres et des débitmètres et pour la
détermination de leur réponse en fonction de l'énergie des photons —
Partie 4: Étalonnage des dosimètres de zone et individuels dans des
champs de référence X de faible énergie
Reference number
ISO 4037-4:2019(E)
©
ISO 2019
ISO 4037-4:2019(E)
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 4037-4:2019(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols (and abbreviated terms) . 2
5 General procedures for calibrating and determining response . 3
6 Characterisation and production of low energy X-ray reference radiations .3
6.1 General . 3
6.2 Tube potential . 4
6.3 Spectral fluence and conversion coefficients . 4
7 Dosimetry of low energy reference radiations . 4
7.1 General . 4
7.2 Stability check facility . 4
8 Calibration and determination of the response as a function of photon energy and
angle of radiation incidence . 4
8.1 General . 4
8.2 Selection of calibration method . 5
8.3 Calibration by using reference instruments for K . 5
a
8.3.1 General. 5
8.3.2 Conventional quantity value of the air kerma . 5
8.3.3 Conventional quantity value of the dose equivalent quantities H (0,07)
p
and H'(0,07) . 6
8.3.4 Conventional quantity value of the dose equivalent quantities H (10) or
p
H*(10) and H (3) or H'(3) . 6
p
8.3.5 Performing the calibration . 8
8.4 Calibration by using reference instruments which measure the ICRU dose
equivalent quantities . 8
8.4.1 General. 8
8.4.2 Conventional quantity value of the dose equivalent quantities H (10) or
p
H*(10) and H (3) or H'(3) . 9
p
8.4.3 Performing the calibration .10
8.5 Statement of uncertainty .11
Annex A (normative) Correction for air density .12
Bibliography .18
ISO 4037-4:2019(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for it
...